Repurposing PISCES for broadband wavefront sensing and control experiments on the ExoSpec Project testbed

Harrison Bradley; Neil Zimmerman; Roser Juanola-Parramon; Qian Gong; Michael McElwain; Tyler Groff; Hari Subedi; George Hilton

doi:10.1117/12.3020180

24 August 2024 Repurposing PISCES for broadband wavefront sensing and control experiments on the ExoSpec Project testbed

Harrison Bradley, Neil Zimmerman, Roser Juanola-Parramon, Qian Gong, Michael McElwain, Tyler Groff, Hari Subedi, George Hilton

Author Affiliations +

Proceedings Volume 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave; 130926A (2024) https://doi.org/10.1117/12.3020180
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

One of the primary scientific goals of the upcoming Habitable Worlds Observatory (HabWorlds) is to take spectra of reflected light from nearby Exo-Earths. High-contrast Integral Field Spectroscopy (IFS) instrumentation offers one promising avenue to obtain these observations. Aside from taking low-resolution spectra of directly imaged exoplanets, IFS cameras provide multi-wavelength images of residual starlight speckles and deformable mirror actuator probes. This year we restored the functionality of the Prototype Imaging Spectrograph for Coronagraphic Exoplanet Studies (PISCES) and integrated it with the ExoSpec coronagraph testbed at Goddard Space Flight Center. We will use the PISCES IFS to conduct in-air tests of broadband, high-order wavefront sensing and control techniques with a shaped pupil coronagraph.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Harrison Bradley, Neil Zimmerman, Roser Juanola-Parramon, Qian Gong, Michael McElwain, Tyler Groff, Hari Subedi, and George Hilton "Repurposing PISCES for broadband wavefront sensing and control experiments on the ExoSpec Project testbed", Proc. SPIE 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave, 130926A (24 August 2024); https://doi.org/10.1117/12.3020180

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